Home / 7,791,916.02-11,687,874-2,112,140.34

Finding the Fourth Proportional to 7,791,916.02, 11,687,874 and 2,112,140.34

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Solution

The fourth proportional to 7,791,916.02, 11,687,874 and 2,112,140.34 is: 3,168,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,916.02 : 11,687,874 = 2,112,140.34 : x
  2. Step 2: Convert to fraction form
    7,791,916.02/11,687,874 = 2,112,140.34/x
  3. Step 3: Cross multiply
    7,791,916.02x = 11,687,874 × 2,112,140.34
  4. Step 4: Simplify right side
    7,791,916.02x = 24,686,430,164,237.16
  5. Step 5: Solve for x
    x = 24,686,430,164,237.16/7,791,916.02
  6. Step 6: Final answer
    x = 3,168,210.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.